//: C21:MemFun3.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Using mem_fun()
#include "NumStringGen.h"
#include <algorithm>
#include <vector>
#include <string>
#include <iostream>
#include <functional>
using namespace std;

int main()
{
    const int sz = 9;
    vector<string> vs(sz);
    // Fill it with random number strings:
    generate(vs.begin(), vs.end(), NumStringGen());
    copy(vs.begin(), vs.end(),
         ostream_iterator<string>(cout, "\t"));
    cout << endl;
    const char* vcp[sz];
    transform(vs.begin(), vs.end(), vcp,
              mem_fun_ref(&string::c_str));
    vector<double> vd;
    transform(vcp,vcp + sz,back_inserter(vd),
              std::atof);
    copy(vd.begin(), vd.end(),
         ostream_iterator<double>(cout, "\t"));
    cout << endl;
} ///:~
